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E. H. PURSELL. .ELEGTRUMAGNETIG RAILRGAD ALARM.

No. 107,101. Patented Sept. 6, 1870.

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EDWARD H. PURSELL, OF GALESBURG, ILLINOIS.

Letters .Pn-tent N 107,101, dated September 6, 1870.

lnn--n- ELECTRO MAGNETIC ARAIIIILROA13-ALAI?.M.

The Schedule referred to in these Letters Patent and making partof the same I, EDWARD H. IURSELL, of Galesburg, Illinois, have invented certain Improvements in Electro Apparatus for Ringing Railway-train Signal-Bells, of which the following is a specification.

Nature and Object of the I neent'ifon.

Theriirstpart of my invention relates to the arrangement ou a train on railway cars of an' electromagnectio battery, wires, and an ordinary telegraphsounder, with a bell, one of the wires or poles passing ii'om the battery through the train, and coupled between each car, with spring jaws, in such a manner that, it' the trainv becomes broken, tbe spring jaws will be separated and the circuit broken and the bell orhells rang, all as hereinafter fully described.

The second part of' my invention relates to tbe arrangement of keys or circuit-openers with the aforesaid devices, for the purpose of allowing the engineer or conductor to open the circuit whenever desired, thereby ringing the bell and dispensing with the bellcord, as vordinarily used,all as hereinafter fully described.

Desc'ript'ion of the Accompanying Drawing.

Figure l is a perspective view of two cars of a train with my invention attached, the cars being shown more than the ordinary distance apart, in order to show the coupling.

General Description.

A A' represent cars.

B represents a battery.

(J represents an ordinary telegral'ih-sounder.

D is a bell under the free end ot' the armature-lever ot' the sounder C.

E E are ordinary insulated telegraph-wires.

' V are spring jaws.

G is a key or circuit-closer.

I is-the railway-track or rails.

The operation of my invention is as follows:

A lbattery, B, is placed in ,any suitable position on thealoconlot-ive-car or on the'way-car, which is always drawn at the rear end of vfieight trains, this invention being adapted more particularly for freight trains thanfor passenger trains.

An ordinary telegraph sounder, U, is also placed in each of said cars, with a bell,'D, beneath the armature lever H, so arranged that, while the electric circuit is closed, Vthe said armature lever will be held free from the bell, but the moment the circuit is broken the end of the lever H`will be drawn down-by the spring I, and striking the pin J, will ring the bell 1),ot` course, ringing simultaneouslythe bell in the way-car and on the locomotive.

One of the wires, L, is carried from the battery B direct to the post N of thc sounder C.

The galvanc currentthrough this wire, after traversing the coils on the magnet S, passes to the wire E, which, in turn, is connected with one end of the key G, the other endof tbe key G being connected with the wire E', which passes down and connects with the car-wheels R, said car-wheels and the track T forming the ground line for the circuit.

The wire U passes from the battery down through the bottom ot' the car-, and extending tbe-nce to the end of said car, and projecting, as shown, carries, ori the end, a spring jaw, V'.

, Each car of the train,'between the engine and the way-car, is provided with a wire underneath the floor thereof, which extends from each end of the car, as shown by the car A, and carries, on each end, a spring jaw, V' V".

When the trai-n is made up, these spring jaws are hooked together at the adjacent ends of the cars, and, of course, complete the electric circuit,`

Now, if the train is, by any means, brokenl in two, the spring jaws V will be jerked apart where broken, and, of course, the circuit thereby broken andthe bells rang, both in the way'car and on the locomotive.

Or, if the free end of the key G is drawn down, the circuit will be broken and the bells rang, thus dispensing with the ordinary bell-cord.

The way-car and engincers car are both provided similar to car A, with the exception that, it is only necessary to carry a battery on the one car.

Claims.

I claim as my inventionl. The combination of a telegraph-sommier, C, battery B, wires E E' and L, and spring jaws V, with a tra-in of railway cars, in such manner that the breaking of the train at any time will ring the train signalbell, substantially as described and for'lthe purpose specified. 2. The arrangement, substantiallyas herein described, of a battery, B, sounder C, bell D, wires E E and L, and key G, with a railway train, A A', to operate in ringing the signal-bell, substantially'in the manner` and for the purpose speciiied.

EDWARD H. .PURSELL Witnesses:

T. 1t. RICHARDS, SAMUEL KEER. 

